IT1179375B - Procedimento per la preparazione di poliuretani biocompatibili, prodotti ottenuti e loro impiego per produrre ad esempio cateteri, valvole cardiache, pompe per sangue e simili - Google Patents

Procedimento per la preparazione di poliuretani biocompatibili, prodotti ottenuti e loro impiego per produrre ad esempio cateteri, valvole cardiache, pompe per sangue e simili

Info

Publication number
IT1179375B
IT1179375B IT48218/84A IT4821884A IT1179375B IT 1179375 B IT1179375 B IT 1179375B IT 48218/84 A IT48218/84 A IT 48218/84A IT 4821884 A IT4821884 A IT 4821884A IT 1179375 B IT1179375 B IT 1179375B
Authority
IT
Italy
Prior art keywords
procedure
preparation
produce
similar
products obtained
Prior art date
Application number
IT48218/84A
Other languages
English (en)
Italian (it)
Other versions
IT8448218A0 (it
Inventor
Gerhard Wick
Original Assignee
Akzo Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Akzo Nv filed Critical Akzo Nv
Publication of IT8448218A0 publication Critical patent/IT8448218A0/it
Application granted granted Critical
Publication of IT1179375B publication Critical patent/IT1179375B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44—Polycarbonates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L33/00—Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of blood; Materials for such treatment
    • A61L33/06—Use of macromolecular materials
    • A61L33/068—Use of macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Surgery (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Materials For Medical Uses (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT48218/84A 1983-05-21 1984-05-18 Procedimento per la preparazione di poliuretani biocompatibili, prodotti ottenuti e loro impiego per produrre ad esempio cateteri, valvole cardiache, pompe per sangue e simili IT1179375B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833318730 DE3318730A1 (de) 1983-05-21 1983-05-21 Biokompatible polyurethane

Publications (2)

Publication Number Publication Date
IT8448218A0 IT8448218A0 (it) 1984-05-18
IT1179375B true IT1179375B (it) 1987-09-16

Family

ID=6199696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48218/84A IT1179375B (it) 1983-05-21 1984-05-18 Procedimento per la preparazione di poliuretani biocompatibili, prodotti ottenuti e loro impiego per produrre ad esempio cateteri, valvole cardiache, pompe per sangue e simili

Country Status (5)

Country Link
US (1) US5109077A (fr)
JP (1) JPS6018515A (fr)
DE (1) DE3318730A1 (fr)
FR (1) FR2546170B1 (fr)
IT (1) IT1179375B (fr)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211851A4 (fr) * 1985-01-04 1988-01-28 Thoratec Lab Corp Compositions se ramollissant a des temperatures predeterminees, et procede de production.
US5506300A (en) * 1985-01-04 1996-04-09 Thoratec Laboratories Corporation Compositions that soften at predetermined temperatures and the method of making same
DE3600217A1 (de) * 1985-01-07 1986-09-04 Kurt Dr.-Ing. 7148 Remseck Ziesche Geraet zur soforthilfe bei herzanfaellen
US4621113A (en) * 1985-10-07 1986-11-04 The Dow Chemical Company Repeating block, oligomer-free, polyphase, thermoformable polyurethanes and method of preparation thereof
DE3539243A1 (de) * 1985-11-05 1987-05-21 Manfred Rycyk Punktionskanuele
DE3643465A1 (de) * 1986-12-19 1988-07-07 Akzo Gmbh Biokompatible polyurethane
DE3841043A1 (de) * 1988-12-06 1990-08-02 Spuehl Ag Formteil mit korkanteil sowie verfahren und vorrichtung zu dessen herstellung
US5034461A (en) 1989-06-07 1991-07-23 Bausch & Lomb Incorporated Novel prepolymers useful in biomedical devices
US5229431A (en) * 1990-06-15 1993-07-20 Corvita Corporation Crack-resistant polycarbonate urethane polymer prostheses and the like
WO1992004390A1 (fr) * 1990-09-12 1992-03-19 Polymedica Industries, Inc. Produits en polyurethane biostable
US5375609A (en) * 1992-01-27 1994-12-27 Medtronic, Inc. Pacing lead insulator
US5419921A (en) * 1993-03-22 1995-05-30 Medtronic, Inc. Pacing lead insulator
IT1276342B1 (it) * 1993-06-04 1997-10-30 Ist Naz Stud Cura Dei Tumori Stent metallico rivestito con materiale polimerico biocompatibile
WO1998020939A2 (fr) 1996-11-15 1998-05-22 Advanced Bio Surfaces, Inc. Systeme de materiaux biocompatibles pour la reparation in situ de tissus
US6140452A (en) * 1994-05-06 2000-10-31 Advanced Bio Surfaces, Inc. Biomaterial for in situ tissue repair
US20050043808A1 (en) * 1994-05-06 2005-02-24 Advanced Bio Surfaces, Inc. Knee joint prosthesis
DE19504414C2 (de) * 1995-02-10 1996-12-05 Pharmacia Gmbh Schlauch für einen medizinischen Behälter
AUPO251096A0 (en) 1996-09-23 1996-10-17 Cardiac Crc Nominees Pty Limited Polysiloxane-containing polyurethane elastomeric compositions
DE19640552A1 (de) * 1996-10-01 1998-04-02 Bayer Ag Verfahren zur Verbesserung der Biokompatibilität thermoplastischer Polyurethane
US6111052A (en) * 1997-04-30 2000-08-29 Medtronic, Inc. Polyurethane and polyurea biomaterials for use in medical devices
US6400992B1 (en) 1999-03-18 2002-06-04 Medtronic, Inc. Co-extruded, multi-lumen medical lead
GB9915932D0 (en) * 1999-07-08 1999-09-08 Sterilox Med Europ Ltd Oxidation-resistant endoscope coatings
AU2001285488A1 (en) 2000-08-28 2002-03-13 Advanced Bio Surfaces, Inc Method for mammalian joint resurfacing
US20020183824A1 (en) * 2001-05-09 2002-12-05 Medtronic, Inc. Co-extruded, multi-lumen medical lead
AU2002364193A1 (en) * 2001-12-19 2003-07-09 Advanced Bio Surfaces, Inc. Bone smoothing method and system
US20040247641A1 (en) * 2002-01-22 2004-12-09 Felt Jeffrey C. Interpositional arthroplasty system & method
ES2309350T3 (es) * 2002-07-11 2008-12-16 Advanced Bio Surfaces, Inc. Metodo y equipo para artroplastia interposicional.
DE10243966A1 (de) * 2002-09-20 2004-04-01 Adiam Life Science Ag Verfahren zur Herstellung von biokompatiblen Polyurethanen
DE10243965A1 (de) * 2002-09-20 2004-04-01 Adiam Life Science Ag Verfahren zur Herstellung von biokompatiblen Polyurethanen
JP2007526942A (ja) * 2004-03-03 2007-09-20 コモンウエルス サイエンティフィック アンド インダストリアル リサーチ オーガナイゼーション 二段階又は多段階硬化のための生体適合性ポリマー組成物
US20060282169A1 (en) * 2004-12-17 2006-12-14 Felt Jeffrey C System and method for upper extremity joint arthroplasty
JP2008526373A (ja) * 2005-01-08 2008-07-24 アルファスパイン インコーポレイテッド モジュール式円板装置
US7267690B2 (en) * 2005-03-09 2007-09-11 Vertebral Technologies, Inc. Interlocked modular disc nucleus prosthesis
JP5351516B2 (ja) 2005-09-20 2013-11-27 ポリィノボ バイオマテリアルズ ピーティワイ リミテッド 鎖延長剤
JP2009544437A (ja) * 2006-08-02 2009-12-17 ポリィノボ バイオマテリアルズ ピーティワイ リミテッド 生体適合性ポリマー組成物
US9737414B2 (en) 2006-11-21 2017-08-22 Vertebral Technologies, Inc. Methods and apparatus for minimally invasive modular interbody fusion devices
DE102007033787A1 (de) 2007-07-09 2009-01-15 Aesculap Ag Gefäßprothese mit reduzierter Thrombogenität
CN101896526B (zh) * 2007-10-03 2013-09-11 新型聚合物生物材料有限公司 高模量聚氨酯和聚氨酯/脲组合物
DE102007061301A1 (de) 2007-12-10 2009-06-18 Aesculap Ag Ummantelung zur Wiederherstellung der Klappenfunktion variköser Venen und Verwendung der Ummantelung in der Chirurgie
US20110125158A1 (en) * 2008-05-01 2011-05-26 Ashish Dhar Diwan Systems, methods and apparatuses for formation and insertion of tissue prostheses
WO2009141732A2 (fr) * 2008-05-19 2009-11-26 Orteq B.V. Mousse de polyuréthane destinée à être utilisée dans des implants médicaux
EP2156853A1 (fr) 2008-08-19 2010-02-24 Aesculap AG Produit médical pour le traitement de la sinusite
TR201809178T4 (tr) 2010-06-02 2018-07-23 Occlutech Holding Ag İçi boş bir organa yerleştirme için, özellikle söz konusu içi boş organı açık tutmak için cihaz ve bu cihazın üretim yöntemi.
CA2810452A1 (fr) 2010-09-06 2012-03-15 Nonwotecc Medical Gmbh Dispositif pour fermer des ouvertures ou des cavites dans des vaisseaux sanguins
DE102011000400A1 (de) 2011-01-28 2012-08-02 Aesculap Ag Conduit-Klappenprothese und Verfahren zu ihrer Herstellung
US9510953B2 (en) 2012-03-16 2016-12-06 Vertebral Technologies, Inc. Modular segmented disc nucleus implant

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351650A (en) * 1963-11-26 1967-11-07 Mobay Chemical Corp 2, 4-and 2, 6-lower alkyl cyclohexylene diisocyanate mixtures
DE1694080B1 (de) * 1966-10-13 1971-09-30 Bayer Ag Verfahren zur herstellung von vernetzten polyurethanen auf grundlage von hydroxylpolykohlensaeureestern
US3590002A (en) * 1967-07-21 1971-06-29 Mobay Chemical Corp Mixtures of 2,4'-diisocyanato dicyclohexylmethane with lower aliphatic and cycloaliphatic polyisocyanates
GB1240116A (en) * 1968-06-07 1971-07-21 Ici Ltd Improvements in or relating to the manufacture of synthetic elastomers
US3620905A (en) * 1969-10-21 1971-11-16 Du Pont Optically clear thermoplastic polyurethanes
US3870683A (en) * 1970-11-12 1975-03-11 Gulf Oil Canada Ltd Light stable polyurethanes based on dicyclohexyl and diisocyanates
BE792203A (fr) * 1971-08-02 1973-06-01 Ppg Industries Inc Produits feuilletes a bonne resistance au choc
US3769162A (en) * 1971-08-26 1973-10-30 R Brumfield Blood oxygenator and thermoregulator apparatus
US3879516A (en) * 1972-12-07 1975-04-22 Technibiotics Method of constructing a catheter
US3897401A (en) * 1974-03-25 1975-07-29 Goodyear Tire & Rubber Liquid polyurethane reaction mixture
DE2432090C2 (de) * 1974-07-04 1982-02-11 Fa. Carl Freudenberg, 6940 Weinheim Elastische Formmasse auf Polyurethanbasis
PL104172B1 (pl) * 1975-12-31 1979-08-31 Sztuczne serce poruszane miesniami oddechowymi
DE2614243C2 (de) * 1976-04-02 1982-10-07 Bayer Ag, 5090 Leverkusen Cycloaliphatische Triisocyanate, Vefahren zu ihrer Herstellung und ihre Verwendung
DE2622502A1 (de) * 1976-05-20 1977-11-24 Rehau Plastiks Verwendung eines mehrschichtigen kunststoff-schlauches fuer medizinische zwecke
US4180896A (en) * 1977-12-29 1980-01-01 Texas Medical Products, Inc. Blood oxygenator assembly method
US4224432A (en) * 1978-12-11 1980-09-23 E. I. Du Pont De Nemours And Company Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content
DE2813197C2 (de) * 1978-03-25 1983-09-08 Akzo Gmbh, 5600 Wuppertal Einbettmaterial, Verfahren zu seiner Herstellung und seine Verwendung
DE2829199A1 (de) * 1978-07-03 1980-02-21 Akzo Gmbh Polyurethane aus trans-cyclohexan- 1,4-diisocyanat
US4284506A (en) * 1979-12-26 1981-08-18 Nl Industries, Inc. Biomedical devices
DE3127464C2 (de) * 1981-07-11 1986-10-30 Akzo Gmbh, 5600 Wuppertal Linear segmentierte Polyurethane und Verfahren zu deren Herstellung
EP0086192A4 (fr) * 1981-08-26 1983-12-01 Massachusetts Inst Technology Compositions de polyuretane segmente.
AU560959B2 (en) * 1981-10-30 1987-04-30 Thermo Electron Corporation Polyurethane for medical purpose
DE3147025A1 (de) * 1981-11-27 1983-06-01 Akzo Gmbh, 5600 Wuppertal Einbettmasse auf basis schnellreagierender polyurethan-giessharze
US4476293A (en) * 1981-11-30 1984-10-09 E. I. Du Pont De Nemours And Company Polymeric carbonate diols of copolyether glycols and polyurethanes prepared therefrom
DE3149527A1 (de) * 1981-12-14 1983-06-23 VEB Synthesewerk Schwarzheide Kombinat SYS, DDR 7817 Schwarzheide Polyurethanmassen fuer hohlfaserdialysatoren
JPS58185647A (ja) * 1982-03-17 1983-10-29 Nippon Zeon Co Ltd 抗血栓表面を与える安定な重合体エマルジョン組成物
DE8301959U1 (fr) * 1983-01-21 1983-05-26 Buecherl, Emil,Sebastian, Prof.Dr.Med., 1000 Berlin, De
IT1169561B (it) * 1983-09-13 1987-06-03 Matec Holding Ag Procedimento per l'ottenimento con unica operazione di stampaggio di strutture a doppia parete per l'insonorizzazione di veicoli e di motori in genere e struttura a doppia parete ottenuta con tale procedimento
US4816529A (en) * 1985-11-18 1989-03-28 The Dow Chemical Company Novel ester-modified poly(alkylene carbonate) polyahls and polyurethanes therefrom
US4861909A (en) * 1986-04-11 1989-08-29 The Dow Chemical Company Isocyanate-modified poly(alkylene carbonate) polyahls
US5001208A (en) * 1989-03-20 1991-03-19 Reeves Brothers, Inc. Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether polyols

Also Published As

Publication number Publication date
FR2546170A1 (fr) 1984-11-23
IT8448218A0 (it) 1984-05-18
DE3318730A1 (de) 1984-11-22
JPS6018515A (ja) 1985-01-30
DE3318730C2 (fr) 1990-06-21
JPH0410892B2 (fr) 1992-02-26
US5109077A (en) 1992-04-28
FR2546170B1 (fr) 1987-06-12

Similar Documents

Publication Publication Date Title
IT1179375B (it) Procedimento per la preparazione di poliuretani biocompatibili, prodotti ottenuti e loro impiego per produrre ad esempio cateteri, valvole cardiache, pompe per sangue e simili
IT8467445A1 (it) Composizione e preparato per la somministrazione di medicamenti per via cutanea.
IT8049654A0 (it) Procedimento per la preparazione di collageno biologicamente attivo ma cromolecolare e prodotto ottenuto
IT7920126A0 (it) Procedimento per la preparazione di protesi per vasi sanguigni artificiali e protesi per vasi sanguigni artificiali.
IT8209361A0 (it) Procedimento per la produzione di manufatti elastici per la formazione di materassi od altro, e materassi con tale procedimento realizzati
IT1196484B (it) Vettore ad espressione e secrezione in lieviti,utile per la preparazione di proteine eterologhe
EP0151989A3 (en) Means for the treatment of cardiac diseases
IT1214865B (it) Procedimento per la produzione di ossigeno mediante apparecchiatura portatile, particolarmente per respirazione umana, ed apparecchiatura per attuare il procedimento.
IT1174474B (it) Procedimento per la preparazione di formulazione galeniche particolarmente per uso farmaceutico, dietetico, cosmetico e diagnostico
IT8567279A1 (it) Apparecchio per l'applicazione controllata, sul tessuto umano, di sostanze riducenti per realizzare microabrasioni.
IT8403511A0 (it) Procedimento per la preparazione di etofibrato o sostanze di pari osimili caratteristiche, inmicrogranuli-ritardo e prodotto ottenuto con tale procedimento
IT8322648A0 (it) Derivati dell'acido 4-fenil4-osso-buten 2-oico, loro procedimento di preparazione e loro applicazione come prodotti medicinali.
IT1184729B (it) Prodotti farmaceutico cosmetico,in particolare per la cura di acne e seborrea
DE3578374D1 (de) Verwendung von chinolonen fuer die herstellung eines arzneimittels zur behandlung von herzerkrankungen.
IT8519118A1 (it) Procedimento per la produzione di colture di tessuti mixotrofiche e piante resistenti agli erbicidi
FR2485928B1 (fr) Organes artificiels pour assister la circulation sanguine, notamment pompes cardiaques et valvules
DE319316T1 (de) Monoester von griseolsaeure, ihre herstellung und verwendung.
IT8721683A0 (it) Procedimento per la reidratazione rapida di legumi e simili, nonche'apparecchiatura per la reidratazione rapida ed in continuov di legumi e simili.
IT8603581A0 (it) Ne cardiaca transesofagea con apparecchiatura per la stimolaziominimizzazione della soglia di stimolazione e metodo relativo a tale stimolazione
IT1209508B (it) Nuovi medicinali per il trattamento di malattie cardiache.
IT8267883A0 (it) Procedimento per la produzione di effettori fisiologici e loro impiego particolarmente per il controllodella coagulazione del sangue
IT8582538A0 (it) Impianto di fabbricazione diprodotti finiti, in particolare cofani funebri, e prodotti finiti ottenuti mediante tale impianto di fabbricazione.
IT8723266A0 (it) Procedimento per la fabbricazione di tappeti e simili.
IT1159080B (it) Esteri 2-metossi-fenilici di acidi 2',4'-idrossi-aperta parentesi quadra 1, 1'-bifenil chiusa parentesi quadra-3-carbossilici ad attivita' antiinfiammatoria e balsamica,procedimento per la loro preparazione e relative composizioni farmaceutiche
IT1120797B (it) Struttura di ruota piroettante per poltroncine,sedie e simili

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960405